33results about How to "Improve waste discharge efficiency" patented technology

The invention discloses a waste discharging device used on a slitting machine. The silting machine comprises a machine frame, a first guide roller and a second guide roller, wherein the first guide roller and the second guide roller are rotatably arranged on the machine frame in the axis direction of the machine frame. A gap used for conveying materials is formed between the first guide roller and the second guide roller. Cutters used for cutting the edges of the materials are arranged on the side portions of the two ends of the first guide roller. The waste discharging device comprises a waste discharging pipe arranged on the machine frame, a guide-in opening formed in the waste discharging pipe and used for guiding in waste cut off by the cutters, and a driving device arranged on the machine frame, communicated with one end of the waste discharging pipe and used for making the waste enter the waste discharging pipe through the guide-in opening. According to the waste discharging device used on the slitting machine, the waste discharging pipe and the guide-in opening are arranged, the waste is sucked into the waste discharging pipe from the guide-in opening and is discharged, and thus the problem of halts of the slitting machine caused when the waste is accumulated and gets stuck in a rotary shaft is solved. The waste discharging device used on the slitting machine is simple in structure and high in waste discharging efficiency.

The invention discloses a system and method for treating low-rank coal. The system comprises a low-rank coal pulverizing device, a low-rank coal screening device, a lump coal hot-wind dense-medium sorting device, a pulverized coal hot-wind flow sorting device, a clean coal pulverizing device, a forming device, a pyrolysis device and a waste heat recovery device, wherein the lump coal hot-wind dense-medium sorting device is provided with a lump coal inlet, a first hot wind inlet, a solid dense medium inlet, a first clean coal outlet and a first tail gas outlet; the pulverized coal hot-wind flow sorting device is provided with a pulverized coal inlet, a second hot wind inlet, a second clean coal outlet and a second tail gas outlet; the pyrolysis device is provided with a feed inlet, a semi-coke outlet and a pyrolysis oil gas outlet; the waste heat recovery device is provided with a semi-coke inlet and a hot air outlet, the semi-coke inlet is connected with the pyrolysis device, and the hot air outlet is connected with the first hot wind inlet and the second hot wind inlet. By means of the system, the gangue discharging rate of the low-rank coal can be remarkably increased, and therefore the quality and yield of pyrolyzed products in the subsequent pyrolysis process can be improved; moreover, the energy cost can be obviously lowered by recovering waste heat generated in the pyrolysis process and applying the waste heat to the gangue discharging process.

The invention discloses a system and method for treating low-rank coal. The system comprises a low-rank coal pulverizing device, a low-rank coal screening device, a lump coal hot-wind dense-medium sorting device, a pulverized coal hot-wind dense-medium sorting device, a clean coal pulverizing device, a forming device, a pyrolysis device and a waste heat recovery device, wherein the lump coal hot-wind dense-medium sorting device is provided with a lump coal inlet, a first hot wind inlet, a first solid dense medium inlet and a first clean coal outlet; the pulverized coal hot-wind dense-medium sorting device is provided with a pulverized coal inlet, a second hot wind inlet, a second solid dense medium inlet and a second clean coal outlet; the pyrolysis device is provided with a feed inlet, a semi-coke outlet and a pyrolysis oil gas outlet; the waste heat recovery device is provided with a semi-coke inlet and a hot air outlet, the semi-coke inlet is connected with the pyrolysis device, and the hot air outlet is connected with the first hot wind inlet and the second hot wind inlet. By means of the system, the gangue discharging rate of the low-rank coal can be remarkably increased, and therefore the quality and yield of pyrolyzed products in the subsequent pyrolysis process can be improved; moreover, the energy cost can be obviously lowered by recovering waste heat generated in the pyrolysis process and applying the waste heat to the gangue discharging process.

The invention relates to the technical field of centrifuge equipment, in particular to a pneumatic automatic waste discharge device of a maintenance-free liquid filter of a centrifugal machine. The device comprises a rotor main cylinder capable of rotating, wherein the lower part of the rotor main cylinder is connected with a chassis; the chassis is provided with a transverse waste discharge channel communicated from the internal to the external of the rotor main cylinder; the waste discharge channel is additionally matched with a valve core for closing and opening the waste discharge channel; the valve core is arranged in a chute formed in the chassis for transversely moving the valve core and communicated with the waste discharge channel; and the valve core is matched with a transverse driving mechanism capable of enabling the valve core to transversely move in a direction intersected with the conducting direction of the waste discharge channel. The device is safe and stable in operation, high in efficiency, excellent in smoothness and excellent in waste discharge effect.

The invention discloses a workpiece waste exclusion device. The device comprises a rack, a thimble assembly, a thimble assembly driving mechanism, a rotary table, a rotary table driving mechanism anda control circuit, wherein the thimble assembly is arranged on the rack, the thimble assembly driving mechanism is arranged on the rack, connected with the thimble assembly and can drive the thimble assembly to move up and down; the rotary table is arranged on the rack, the rotary table is provided with multiple dies, the dies are provided with through holes, and the number of the through holes corresponds to that of thimbles in the thimble assembly; the rotary table driving mechanism is arranged on the rack to drive the rotary table to rotate; the control circuit is respectively connected with the rotary table driving mechanism and the thimble assembly driving mechanism to control the running of the rotary table driving mechanism and the thimble assembly driving mechanism. The workpiece waste exclusion device has the advantages that the thimbles can be inserted into the inner bores of the workpieces placed on the dies to quickly remove the waste of workpiece through holes, the rotatable rotating table is provided with the multiple dies, circular waste discharging of the worpieces can be achieved, thereby greatly improving the efficiency of waste discharging, the operation is moreconvenient, and the labor can be reduced.

The invention relates to the technical field of centrifugal machine equipment, in particular to an electromagnetic type automatic waste discharge device of a maintenance-free liquid filter of a centrifugal machine. The electromagnetic type automatic waste discharge device comprises a rotatable rotor main barrel body, the lower portion of the rotor main barrel body is connected with a bottom disc, and a transverse waste discharge channel communicated with the rotor main barrel body from the inside to the outside is formed in the bottom disc. The waste discharge channel is further provided with a valve element for closing and opening the waste discharge channel, and the valve element is arranged in a sliding groove formed in the bottom disc, wherein the sliding groove is used for allowing the valve element to vertically slide. The valve element is provided with a vertical driving mechanism capable of enabling the valve element to move vertically. The electromagnetic type automatic waste discharge device is safe and stable in running, high in efficiency, good in smoothness and good in waste discharge effect.

The invention relates to a viscose paper waste discharging system. The viscose paper waste discharging system comprises a support, a roller, a first motor, a waste removing scraping piece and a wasteconveying mechanism. The roller is rotationally installed on the support. A rotating shaft of the first motor is in transmission connection with the roller, and the roller is used for rotating and winding waste viscose paper. The waste removing scraping piece is arranged on the support, the waste removing scraping piece and the side wall of the roller are arranged in an interval manner, and the waste removing scraping piece is used for scraping waste viscose paper wound on the side wall of the roller. The waste conveying mechanism is located below the roller and used for conveying the waste viscose paper to a waste collection area. Compared with a traditional viscose paper waste discharging system, the viscose paper waste discharging system has the beneficial effects that it does not needto conduct shutdown when unloading and waste discharging operation is carried out on waste viscose paper rolls formed by winding on the roller, the waste removing scraping piece scraps the waste viscose paper wound on the side wall of the roller in time, the waste viscose paper is conveyed to the waste collection area through the waste conveying mechanism, shutdown operation is not needed, and theworking efficiency is greatly improved.

The invention relates to the technical field of railway vehicles, in particular to a mechanical waste discharge device of a railway vehicle. The device comprises a shell; silencing cotton adheres to the periphery of the inner side wall of the shell;a supporting base is installed in the center of the inner wall of the bottom of the shell through bolts;and baffles are welded to the inner walls of the two sides, close to the supporting base, of the shell. The device has the beneficial effects that the jackinggroove enables the supporting baseto be better attached to the outer side wall of afan; the working stability of the fan is improved; the jacking seat has a certain damping effect on the fan under the action of the spring; a good protection effect is achieved on the fan; the service lifeof the fan is further prolonged;the sound insulation lining barrel enables the noise generated by the fact that air flow impacts the air channel to be reduced when the fan sucks air through the air inlet, the silencing cotton further reduces the noise generated when the fan works, a quiet environment is provided for passengers, and the comfort of the passengers when the passengers take the rail vehicle is improved.

The invention belongs to the technical field of cutting tool preparation, and specifically discloses a method for producing a multifunctional outer circle chamfering knife by using powder as a raw material, comprising the following steps: (1) using a mold for injection molding; (2) degreasing; (3) sintering: using Vacuum sintering method; (4) heat treatment; (5) sandblasting; (6) electroplating. The molding method of the invention is a one-shot net molding method, and the material utilization rate can reach 98%, without subsequent machining. The cutting tool of the invention is convenient for cutting the object to be chamfered, and discharges the cutting waste in time, has high cutting and waste discharge efficiency, can protect the inner wall of the cutting tool, and has a long service life.

The invention discloses a system and method for treating low-rank coal. The system comprises a low-rank coal pulverizing device, a low-rank coal screening device, a lump coal hot-wind dense-medium sorting device, a pulverized coal hot-wind flow sorting device, a clean coal pulverizing device, a forming device, a pyrolysis device and a waste heat recovery device, wherein the lump coal hot-wind dense-medium sorting device is provided with a lump coal inlet, a first hot wind inlet, a solid dense medium inlet, a first clean coal outlet and a first tail gas outlet; the pulverized coal hot-wind flow sorting device is provided with a pulverized coal inlet, a second hot wind inlet, a second clean coal outlet and a second tail gas outlet; the pyrolysis device is provided with a feed inlet, a semi-coke outlet and a pyrolysis oil gas outlet; the waste heat recovery device is provided with a semi-coke inlet and a hot air outlet, the semi-coke inlet is connected with the pyrolysis device, and the hot air outlet is connected with the first hot wind inlet and the second hot wind inlet. By means of the system, the gangue discharging rate of the low-rank coal can be remarkably increased, and therefore the quality and yield of pyrolyzed products in the subsequent pyrolysis process can be improved; moreover, the energy cost can be obviously lowered by recovering waste heat generated in the pyrolysis process and applying the waste heat to the gangue discharging process.

The invention discloses a non-stop waste discharge device for label production. The non-stop waste discharge device comprises a rack, and further comprises a cylinder, a pressure lever, a pull roll, ascraper, an air blowing device, a guiding channel and a recycle bin, wherein the cylinder is mounted and fixed on the surface of the rack; a fixing end is fixed to the head end of a rod body of the cylinder; the head end of the rod body of the cylinder is connected and fixed to the pressure lever; the pull roll is mounted on the right side of the upper end of the pressure lever and above the cylinder; the scraper is mounted below the pull roll; a ventilation opening is formed in the upper surface of the head end of the guiding channel; the air blowing device is mounted on the left side abovethe guiding channel; and the recycle bin is arranged at the tail end of the guiding channel. Waste edges are guided out through the pull roll, and are quickly blown in the recycle bin through the guiding channel and the air blowing device, the waste edges in the recycle bin are very conveniently cleaned, the problem that in the prior art, a machine needs to be stopped in time to clean a waste edgecollecting roll is avoided, time is saved, and the waste discharge efficiency is improved.

The invention discloses a system and method for treating low-rank coal. The system comprises a low-rank coal pulverizing device, a low-rank coal screening device, a lump coal hot-wind dense-medium sorting device, a pulverized coal hot-wind dense-medium sorting device, a clean coal pulverizing device, a forming device, a pyrolysis device and a waste heat recovery device, wherein the lump coal hot-wind dense-medium sorting device is provided with a lump coal inlet, a first hot wind inlet, a first solid dense medium inlet and a first clean coal outlet; the pulverized coal hot-wind dense-medium sorting device is provided with a pulverized coal inlet, a second hot wind inlet, a second solid dense medium inlet and a second clean coal outlet; the pyrolysis device is provided with a feed inlet, a semi-coke outlet and a pyrolysis oil gas outlet; the waste heat recovery device is provided with a semi-coke inlet and a hot air outlet, the semi-coke inlet is connected with the pyrolysis device, and the hot air outlet is connected with the first hot wind inlet and the second hot wind inlet. By means of the system, the gangue discharging rate of the low-rank coal can be remarkably increased, and therefore the quality and yield of pyrolyzed products in the subsequent pyrolysis process can be improved; moreover, the energy cost can be obviously lowered by recovering waste heat generated in the pyrolysis process and applying the waste heat to the gangue discharging process.

The invention discloses an automatic waste discharge system and method in an automatic mold production line. The system includes a mold table, the middle part of the inner side of the mold table is fixed with a partition, and the two ends of the partition are equipped with an automatic waste discharge unit. The lower end of the mold table is in communication with the blanking outlet of the waste channel. The opening and closing mechanism of the silo is arranged in the mold table and is used to control the switch of the silo. Connected, the controller is installed on one side of the partition. In the present invention, the gravity sensing plate assembly is arranged at the position of the blanking inlet, and the opening and closing of the opening and closing mechanism of the silo is realized by monitoring the pressure. At the same time, when the waste material blocks the waste material channel, the backwashing device is used to keep the waste material channel in a negative pressure state. , to promote waste into the waste box, to avoid waste clogging, and to improve the efficiency of waste discharge.

The invention relates to the technical field of rail vehicles, in particular to a mechanical waste discharge device for rail vehicles, which includes a casing, sound-absorbing cotton is bonded around the inner wall of the casing, and a support is installed at the center of the inner wall of the bottom of the casing through bolts. The housing is welded with baffles on both sides of the inner wall close to the support seat. Beneficial effects of the present invention The top holding groove enables the top holding seat to be better bonded to the outer wall of the fan, improving the stability of the fan during operation. The top holding seat has a certain shock absorption effect on the fan through the action of the spring. The fan plays a very good protective role, thereby prolonging the service life of the fan. The sound insulation lining makes the fan reduce the noise generated by the air flow impacting the air duct when the fan draws air through the air inlet, and the sound-absorbing cotton further reduces the noise generated by the fan when it is working. Noise, provide passengers with a quiet environment, and improve the comfort of passengers when riding rail vehicles.

A rotary gangue discharging system comprises a gangue discharging conveyor belt and a gangue conveying conveyor belt which are sequentially arranged, the starting end of the gangue discharging conveyor belt is located below the tail end of the gangue conveying conveyor belt, the tail end of the gangue discharging conveyor belt is higher than the starting end, the gangue discharging conveyor belt is further connected with a support used for supporting the gangue discharging conveyor belt, and the support is connected with a winch used for pulling the support to rotate around the starting end of the gangue discharging conveyor belt. According to the rotary gangue discharging system, the gangue discharging direction can be controlled, the situation of uneven distribution is avoided, the safety degree of a gangue dump is improved, and the gangue discharging efficiency can be greatly improved.

The invention discloses a conducting ring die-cutting machine with an automatic waste discharge function. The conducting ring die-cutting machine comprises a feeding conveying device, a die-cutting device and a discharging conveying device which are arranged in sequence. The die-cutting device comprises a machine frame, a guide column, a punching die and the like. The discharging conveying device comprises a driving roller, a driven roller assembly, a waste winding device, a finished product winding device and the like. The conducting ring die-cutting machine can automatically complete waste discharge operation and is high in waste discharge operation efficiency, and the labor cost can be reduced.

The invention belongs to the technical field of adhesive tape processing, and particularly relates to a die cutting device for adhesive tape processing. The die cutting device comprises a bottom plate, wherein a hydraulic machine and a mounting plate are fixed at the top end of the bottom plate; the hydraulic machine comprises a workbench, a guide rod, a movable cross beam and a hydraulic cylinder; a first driving motor and a second driving motor are fixed on the side wall of the mounting plate; rotating rollers are fixed at the output shaft ends of the first driving motor and the second driving motor; the rotating rollers are used for winding an adhesive tape and a waste edge correspondingly; and more than two die cutting knives are fixed at the bottom end of the movable cross beam. According to the die cutting device, the adhesive tape is pressed through the arrangement of a pressing plate, so that the adhesive tape cannot be broken during die cutting, and the phenomenon that the cutedge of the adhesive tape is fluffed is avoided; and a limiting block is arranged to protect a product, so that the product cannot be taken up when being separated from the waste edge, and the wastedischarge efficiency of the adhesive tape is improved.